Risks from CT scans—what do recent studies tell us?

Substantial effort is now under way to identify and follow up patients who have received a computed tomography (CT) scan, to determine whether any increased risk of cancer resulting from exposure to ionising radiation during a scan can be detected. CT scans are becoming an increasingly popular and effective diagnostic tool, and their usage has risen dramatically in economically developed countries (UNSCEAR 2010). Each CT scan delivers an...